Year Thousands of Persons 1999-01-01 438.900 2000-01-01 445.275 2001-01-01 448.000 2002-01-01 445.600 2003-01-01 438.325 2004-01-01 461.575 2005-01-01 466.475 2006-01-01 471.475 2007-01-01 473.150 2008-01-01 476.125 2009-01-01 477.750 2010-01-01 476.025 2011-01-01 468.325